On Thu, Oct 18, 2007 at 10:16:03PM +0200, Michael Willenbuecher wrote:
> On Thu, 18 Oct 2007, Alexandro Silva wrote:
> > I believe that better form is a new installation, is very dangerous to
> > do this type of procedure in a production environment.
>
> i was asking myself exactly the same question lately. given the fact that
> in productive environments servers are running for years and years, the
> lts looses its sense, if i cannot upgrade from say 6.06 to 8.04. servers
> tend to become very differentiated buildings in time which may not that
> easy been build again from scratch. so upgrading to the next productive
> version seems crucial to me as a criteria for longterm reliability of a
> distri. that was the reason for us to run debian since last century
> despite of its outmodedness especially at the end of a release circle. for
> ubuntuserver that seems to be an important point in the long run for its
> standing in the servermarket. it shouldnt become the flipside of the
> desktopsuccess hopefully.
Right and right - I suspect admins will want both options. So some
wiki pages that describe the easiest way to do them both would be
handy.
I expect that many folks with production servers would replicate
the old server to another machine, upgrade the other machine,
test it, and then put it in production.
Documentation that would help (much of this exists, but could be
linked together under the LTS upgrade heading):
reinstall option:
how to get the same set of packages on the new machine
how to identify all your configuration changes and incorporate
them in the new machine. some will be easy, some hard....
upgrade option:
which packages upgrade easily, which are harder
testing tools - some recommendations and examples of ways to automate
tests of various services: web, mail, directory, etc.
Will we have a slot to discuss this at UDS? Is there a blueprint?
Neal McBurnett http://mcburnett.org/neal/
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